‘Create in me a pure heart, O God and renew a right spirit within me.’
That is one of David’s great psalm-prayers (Psalm 51v10). It’s an awesome study-and-exam-prayer too.
If our hearts and spirits are in a good place then life becomes SO much better – including our studies. Why don’t you ask God to do that each time you sit down to work, write an exam – or even if you’re stuck procrastinating! It’s a prayer right in the center of God’s will for you so be sure God will do it – even if it seems like an impossible thing for you. Try it and see